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Biology > Neuron Types > Flashcards

Neuron Types Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

Multipolar

A

Always motor neurons
Control skeletal muscle are multipolar

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2
Q

Bipolar

A

found in retina, inner ear & olfactory

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3
Q

Unipolar

A

are always sensory neurons

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4
Q

Astrocytes (CNS)

A

Form blood-brain barrier by covering blood capillaries

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5
Q

Oligodendrocytes (CNS)

A

Each forms myelin sheath around more than one axon in CNS
Analogous to Schwann cells of PNS

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6
Q

Microglia (CNS)

A

Small cells found near blood vessels
Phagocytic role - clear away dead cells

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7
Q

Ependymal (CNS)

A

Form epithelial membrane lining cerebral cavities (ventricles) & central canal of the spinal cord
Produce cerebrospinal fluid (CSF)

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8
Q

Satellite Cell (PNS)

A

Flat cells surrounding neuronal cell bodies in peripheral ganglia
Support neurons in the PNS

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9
Q

Schwann Cells (PNS)

A

Cells encircling PNS axons
Each cell produces part of the myelin sheath surrounding an axon in the PNS

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Biology (15 decks)

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